A Tech should recognize the following signs when a pt is having ventricular tachycardia

multiple premature ventricular contractions in a row

Which of the following methods should the Tech use to calculate the heart rate from an EKG?

Divide 300 by the number of large boxes between two R waves

A Tech is performing an EKG on a pt 35 wks gestation which position should the pt be in?

slightly on left side with a pillow supporting the right hip

While performing exercise stress test with elevated ST segments, what is the Tech observing

signs of acute myocardial injury

A Tech notices a QRS complex too tall to fit on EKG paper, what should the Tech do?

change the gain control to 5 mm/mV

Which statement indicates patient understanding of wearing an event monitor at home?

If the batteries fail, I will replace them myself.

Why should resting tab electrodes not be used for more than two EKG tests in a row?

electrodes won't conduct accurately after two EKG tracings

When performing an EKG, Tech should identify the correct information being recorded by lead I

electrical activity between right arm and left arm

What should an EKG Technician do when preparing a patient for a standard 12-lead EKG?

Have the patient remove any jewelry

Correct position for a pt during a nuclear stress test while camera is scanning

supine with arms above the head

Which of the following actions should the Tech take to resolve wandering baseline?

release tension from the lead wires

When entering an inpatient room where there is contact precautions, the tech should

remove gloves before leaving the patient room

A pt getting a Holter Monitor tells the Tech she runs 5 mi per day. What should the Tech say?

You should continue exercising as normal

Technician is performing stress test and pt shows v fib, which should the Tech do first?

determine if the pt is responsive

Pt is going home with 48hr Holter monitor. Which statement means they understand instructions

I should activate the event monitor if I have chest pain

For which of the following should the EKG Tech expect to see somatic interference on the EKG?

20 year-old patient experiencing a seizure

A Tech finds a pt's pulse to be irregular. Where would the Tech then take the apical pulse?

between the fifth and sixth ribs, at the midclavicular line

Which of the following is an allowable disclosure of patient information

patients write their names on a basic sign in sheet

Which of the following statements correctly prepares the patient for telemetry monitoring?

I will clean your skin with an alcohol pad

Which differentiates accelerated idioventricular rhythm with junctional rhythm?

accelerated idioventricular rhythm has wide QRS complexes

What is the expected reference range for body temperature of an adult pt?

36.5o C to 37.2o C (99.7o F to 99.0o F)

Which of the following locations should a Tech place leads for V7, V8, and V9

between axillary line and vertebral column, 5th intercostal

An EKG Technician is performing a stress test. Which actions should the Tech take?

Report unexpected dysrhythmias during the test

What should a Tech say to an 8 yr old preparing for an EKG?

I'm going to put some stickers on your arms, legs and belly

What is the correct placement for V4?

fifth intercostal space at midclavicular line

A monitor tech notices a patient shows ventricular tachycardia what should they do first?

notify a licensed practitioner to evaluate the patient

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ECG Study Guide

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Questions 90

Answers

1
Tech should recognize recording of the septal wall by which leads?
leads III and aVF
leads V1 and V6
leads aVL and V5
leads V1 and V2
2
Which artery should be used during an exercise stress test to measure heart rate on an adult
brachial
femoral
radial
carotid
3
A Tech should recognize the following signs when a pt is having ventricular tachycardia
multiple premature ventricular contractions in a row
narrow QRS complexes on the EKG tracing
decreased heart rate
absence of R-R interval
4
Which locations should the Tech place the leads on a patient in an immovable fetal position?
on the patients right side
on the standard sites
on the limbs only
on the patients back
5
Which of the following leads is created between the left arm and left leg?
lead I
lead aVL
lead aVF
lead III
6
Which of the following methods should the Tech use to calculate the heart rate from an EKG?
Calculate the mean rate and divide 1500 by that rate
Divide 300 by the number of large boxes between two R waves
Count the number of large boxes between P and T waves
Count the number of small boxes in two cardiac cycles
7
During a stress test a pt reports chest heaviness and diaphoresis, what could this be?
cerebrovascular accident
congestive heart failure
transient ischemic attack
myocardial infarction
8
A Tech is performing an EKG on a pt 35 wks gestation which position should the pt be in?
slightly on left side with a pillow supporting the right hip
partially upright with legs supported
supine with head elevated
supine with feet flat on the table
9
While performing exercise stress test with elevated ST segments, what is the Tech observing
expected EKG changes as a result of running
signs of pulmonary embolism
signs of acute myocardial injury
expected EKG changes due to hypokalemia
10
A Tech notices a QRS complex too tall to fit on EKG paper, what should the Tech do?
change the gain control to 5 mm/mV
change the paper speed to 50 mm/second
change the paper speed to 10 mm/second
change the gain control to 20 mm/mV
11
A thin spike before the P wave indicates a pacemaker to be pacing which of the following?
atria
ventricles
late repolarization
early repolarization
12
Which statement indicates patient understanding of wearing an event monitor at home?
If the batteries fail, I will replace them myself.
The monitor will keep track of all of my daily activities.
I can continue to use my electric blanket with the monitor.
I can take showers while wearing this monitor.
13
What is the most common speed for an EKG tracing?
50 mm/second
5 mm/second
25 mm/second
10 mm/second
14
Why should resting tab electrodes not be used for more than two EKG tests in a row?
electrodes cannot conduct the signal after two EKG tracings
electrodes will not re-adhere to skin after being removed
electrodes need to be cleaned after two EKG tracings
electrodes won't conduct accurately after two EKG tracings
15
When performing an EKG, Tech should identify the correct information being recorded by lead I
electrical activity between right arm and left leg
electrical activity between left arm and left leg
electrical activity between right arm and left arm
electrical activity between left leg and right leg
16
When measuring intervals on an EKG, which indicates impaired conduction through the AV node?
prolonged QRS interval
prolonged QT interval
prolonged PR interval
decreased QT interval
17
What should an EKG Technician do when preparing a patient for a standard 12-lead EKG?
Have the patient remove any jewelry
Encourage the patient to ask questions during the procedure
Instruct the patient to hold their breath
Place electrodes over the patient's chest hair
18
Which site is most accurate for a Tech recording a pt body temperature?
oral
axillary
temporal
tympanic
19
An EKG Tech recognizes that the smallest box on EKG paper represents which length of time
0.02 seconds
0.40 seconds
0.10 seconds
0.04 seconds
20
Which heart block should Tech observe pt for decreased cardiac output that could lead to arrest
First-degree AV block
Second-degree AV block - Mobitz Type II
Third-degree AV block
Second-degree AV block - Mobitz Type I
21
A tech hears another staff member talking badly about a patient's appearance. What is this?
Slander
Libel
Battery
Assault
22
Correct position for a pt during a nuclear stress test while camera is scanning
supine with arms above the head
sitting upright with the head tilted back
right-side lying with arms slightly extended
supine with arms at the side
23
In a healthy adult pt the expected shape and direction of the p wave in lead II is
rounded and inverted
rounded and upright
peaked and upright
peaked and inverted
24
Which of the following actions should the Tech take to resolve wandering baseline?
have the patient remove any personal electronic devices
provide a blanket for the patient
release tension from the lead wires
clean the lead wires after each use
25
When entering an inpatient room where there is contact precautions, the tech should
keep the door to the patients room closed
remove gloves before leaving the patient room
disinfect the machine prior to entering the room
wear an n-95 mask if there is exposure to blood
26
Techs recognize that patients are restricted from certain activities wearing a Holter Monitor?
Showering
Sexual Activity
Smoking
Yoga
27
A pt getting a Holter Monitor tells the Tech she runs 5 mi per day. What should the Tech say?
Make sure to increase your cardiac medications
Take someone with you while running just in case
You should continue exercising as normal
You should ask your provider if you can still exercise
28
Technician is performing stress test and pt shows v fib, which should the Tech do first?
check the pt for breathing
determine if the pt is responsive
begin chest compressions
apply AED pads
29
When placing electrodes on pt for telemetry where should the ground electrode be placed
on the left lower leg
on the right upper arm
on the left upper arm
on the right lower leg
30
A Tech measures a pt's pulse ox at 88%. What is the term used to describe this condition?
Orthopnea
Rales
Hemoptysis
Hypoxemia
31
Pt is going home with 48hr Holter monitor. Which statement means they understand instructions
I should activate the event monitor if I have chest pain
I should only record activities that cause chest pain
I can use moisturizing lotion around the electrodes
I am able to shower or bathe
32
Which of the following speed settings should be used on a pt with accelerated junctional rhythm
50 mm/second
25 mm/second
5 mm/second
10 mm/second
33
For which of the following should the EKG Tech expect to see somatic interference on the EKG?
20 year-old patient experiencing a seizure
60 year-old patient sweating profusely
10 year-old patient watching tv
30 year-old patient using a cell phone
34
A Tech finds a pt's pulse to be irregular. Where would the Tech then take the apical pulse?
the thumb side of the left wrist
between the fifth and sixth ribs, at the midclavicular line
between the larynx and the sternocleidomastoid muscle
the antecubital aspect of the left or right elbow
35
Which of the following is an allowable disclosure of patient information
patients write their names on a basic sign in sheet
an employer calls the clinic to verify patient absence
A pt can read other pt information at the registration desk
Employee gives another employee log in information
36
Which intervals should be used to determine the regularity of ventricular depolarization
R-R wave interval
PR interval
P-P wave interval
QT interval
37
Which of the following statements correctly prepares the patient for telemetry monitoring?
A mild rash should be expected around the electrodes
You may feel a warming sensation when electrodes are placed
Electrodes are replaced once a week in the hospital
I will clean your skin with an alcohol pad
38
Which lead is created when the electrode is put the right of the sternum 4th intercostal space
Lead MCL2
lead VI
Lead aVR
Lead I
39
Which differentiates accelerated idioventricular rhythm with junctional rhythm?
irregular rhythm shows accelerated idioventricular rhythm
Ventricular rate is slower than junctional rhythm
accelerated idioventricular rhythm has p waves
accelerated idioventricular rhythm has wide QRS complexes
40
Tech notices pt has variation in respiration correlates with tracing. What irregularity is it?
bradycardia
sinus arrest
tachycardia
sinus dysrhythmia
41
Tech is documenting the pulse of a pt. Which term should be used to describe the pulse?
Bounding
Irregular
Weak
Strong
42
What is the expected reference range for body temperature of an adult pt?
35.3o C to 36o C (95.6o F to 96.8o F)
36.5o C to 37.2o C (99.7o F to 99.0o F)
37.3o C to 37.6o C (99.1o F to 99.7o F)
36.1o C to 36.4o C (96.9o F to 97.5o F)
43
Which of the following terms is a Tech writing defamatory comments in a pt chart
Battery
Slander
Libel
Assault
44
Which of the following locations should a Tech place leads for V7, V8, and V9
on the frontal plane at 6th intercostal space
Rt chest between sternum & rt axillary line 5th intercostal
on the axillary plane at 5th intercostal space
between axillary line and vertebral column, 5th intercostal
45
A Tech eliminates artifact by plugging into a different outlet, what caused the interference
AC interference
wandering baseline
interrupted baseline
somatic tremor
46
A Tech recognizes electrical interference on an EKG is a result of
expired electrodes
crossed lead wires
insufficient skin preparation
patient movement
47
An EKG Technician is performing a stress test. Which actions should the Tech take?
Instruct the patient to stop cardiac medications after test
Evaluate the patient's need for an exercise program
Report unexpected dysrhythmias during the test
Prescribe oxygen for shortness of breath during the test
48
What should a Tech say to an 8 yr old preparing for an EKG?
I need you to hold still while I attach these wires to you
I'm going to put some stickers on your arms, legs and belly
I'm going to apply adhesive electrodes to your extremities
I'm going to conduct an electrocardiogram on your heart
49
What is the correct placement for V4?
fourth intercostal space at midclavicular line
fourth intercostal space at midaxillary line
fifth intercostal space at midclavicular line
fifth intercostal space at the midaxillary line
50
During a stress test, the Tech notices the pt hyperventilating what should they do first?
check the pts respiratory rate
stop the exercise portion of the test
slow down the test
administer oxygen to the pt
51
A monitor tech notices a patient shows ventricular tachycardia what should they do first?
document the rhythm in the patients medical record
verify the time and last dose of pt's cardiac medications
notify a licensed practitioner to evaluate the patient
prepare for defibrillation of the patient
52
Which of the following actions should a tech take to reduce artifact on a Holter monitor?
Have patient wear tight fitting clothes to hold electrodes
Instruct the patient to replace any loose electrodes
Ensure patient hasn't eaten for 2 hrs
Use stress loops on leads to reduce tension
53
Which is the most appropriate site for a Tech to take the pulse of an infant?
radial artery
carotid artery
femoral artery
brachial artery
54
A Tech is giving instructions for a loop monitor, which instructions should the tech include?
Contact central monitoring when you have chest pain
Press the record button when you feel dizzy or chest pain
Remove the monitor when connecting to the phone or internet
Record in diary the time and activity when the pain started
55
EKG Tech is caring for a patient with palpitations, what will the dr prescribe?
Vasodilator medication
Cardiac Inotropic medication
Chemical Stress Test
Holter monitor
56
How should the Tech store electrodes when not in use?
in a folded paper bag
in the original, foil-lined packaging
in an open plastic bag
loose in the EKG cart
57
An EKG Technician should recognize which of these as the correct pulse rate for a 2 year old?
120/min
75/min
60/min
150/min
58
Which of the following electrodes creates leads I, II, and aVR?
Left arm
Right arm
Left leg
Right leg
59
How does the Tech protect the patient's private health information?
using corrective fluid on pt name, address, DOB
restricting the pt access to the EKG file
sending the EKG in an encrypted file to pt employer
hand-delivering the EKG to pt provider
60
Which of the following can the Tech use to adjust the height of the EKG waveforms
speed
output display
gain
artifact filter
61
When doing an EKG on a pt with a heart rate of 150 bpm, which speed control should be used
50 mm/second
5 mm/second
25 mm/second
10 mm/second
62
A Tech notices accelerated idioventricular rhythm, what should they do first?
call for help and stay with the patient
upload the tracing and tell provider EKG is ready to read
ask another Tech to run another EKG
Tell the pt the results and ask if they feel different
63
An EKG technician should go by the following recommendations for infection control practices
artificial nails should be no longer than 0.5 in in length
wear same gloves performing different procedures on same pt
use alcohol based hand rub for obvious hand contamination
remove soiled gloves before touching uncontaminated surfaces
64
Which of the following patient conditions indicates myocardial infarction?
cyanosis
arm weakness
facial drooping
aphasia
65
A rhythm strip should be at least how many seconds to accurately identify rate and rhythm?
8 seconds
2 seconds
6 seconds
4 seconds
66
In a pt with dextrocardia where should the Tech place V1?
left sternal border, fourth intercostal space
left mid-clavicular line, fifth intercostal space
right sternal border, fourth intercostal space
right mid-clavicular line, fifth intercostal space
67
Tech is reviewing a pt who has ventricular hypertrophy, what are the findings?
Increased amplitude of the QRS complex
Irregularity of the P-P interval
Prolongation of the PR interval
ST segment depression of 2 mm
68
Which statement should the tech include when preparing a patient for an exercise stress test?
Be sure to eat a light meal 6-8 hours before the test.
Wear tight clothes to keep the electrodes in place.
No caffeine, alcohol or smoking for 3 hrs prior to the test.
The procedure should take about 10 to 15 minutes.
69
How should the Tech respond to a pt who wants to know the results of their EKG?
Your doctor won't let me discuss results with you.
I'm sorry I only run the strip. I'm not trained to know it.
I know it's difficult to wait but I don't see anything wrong
I'm sorry I conduct the test and the provider interprets it.
70
Which of the following is an adverse reaction during an exercise stress test?
presence of sinus tachycardia with a regular R-R interval
reports of tingling sensation in lower extremeties
an oxygen saturation of 95%
increase in blood pressure from 110/70 to 120/78 mm Hg
71
Which limb should be checked first if the tech performing the EKG notices no leads recording?
Right arm
Left Leg
Right leg
Left Arm
72
A pt has a ventricular pacemaker, which pattern should the Tech expect after the spike?
wide QRS interval
AV delay between .12 and .16 seconds
regular p waves
QRS interval between .06 and 0.10 seconds
73
For which of the following should the Tech stop an exercise stress test?
sweating
dizziness
increased respiratory rate
electrode detachment
74
For an exercise stress test which leads should be placed on the right lower side anterior torso
Lead V1
Lead RL
Lead RA
Lead V6
75
What can the Tech do to help visualize respirations on a patient?
Place a hand on the pt's back to count the respirations
Document the respiratory rate could not be assessed
Estimate the respiratory rate based on the assessed pulse
Tell the pt to take deeper breaths so they are easier to see
76
A Tech is talking to a pt on the phone wearing a Holter, feeling short of breath and chest pain
Remind pt to document in incident diary
Place pt on hold and consult with pt's provider
Tell pt to hang up and call EMS themselves
Tech should have someone call EMS while on the phone with pt
77
What should be used for loose hairs required after hair removal for electrode placement?
use soap and water to wash away loose hairs
use tape to remove loose hairs
use chlorihexidine to cleanse and remove loose hairs
use friction and dry gauze pad to remove loose hairs
78
During a stress test, which of the following should the Tech report to the provider?
increased sweating
decreased premature beats
decreased heart rate
increased respiratory rate
79
Which of the following methods can be used to calculate both regular and irregular rhythms
1500 method
P-P method
300 method
6-second method
80
When performing a posterior 12-lead EKG which lead should be placed on the paraspinous border?
Lead V8
Lead V7R
Lead V9
Lead V7
81
Which actions should the Tech take immediately after attaching telemetry leads to electrodes
place the pt in correct anatomical position
check wire colors and identifications for correct attachment
tape the lead wires to the pt skin to prevent disconnection
check a baseline EKG tracing for monitor clarity
82
A pt has a left leg below-the-knee amputation, where should the rt leg electrode be placed?
on the lower right leg
on the lower right foot
on the lower right abdomen
on the lower left torso
83
Which activities should the Tech tell the pt to record in the Holter monitor diary
sleeping position
bike riding
driving
swimming
84
The presence of which of the following can indicate a previous myocardial infarction?
prolonged PR interval
narrow QRS complexes
small p waves
pathologic Q waves
85
A Tech is performing an EKG on a 9 yr old pt, where does the Tech place the V6 electrode?
right midaxillary line
left midaxillary line
left midclavicular space
right midclavicular space
86
Pt tells the Tech she doesn't understand why she needs a Holter after an EKG two days ago
An ambulatory monitor works differently than an EKG
Provider wants another test before he tells you his concerns
Provider wants to study the heart for longer period of time
Standard practice to have ambulatory monitor after an EKG
87
An EKG Tech should recognize which of the following is normal BP for an adolescent patient?
86/60 mm Hg
78/48 mm Hg
98/78 mm Hg
60/44 mmHg
88
A Tech observes ST segment depression and T wave inversion, what should the Tech suspect?
myocardial injury
myocardial infarction
myocardial ischemia
heart block
89
A Tech is entering the pt's social history into record, which statement should be added?
I have smoked cigarettes for a long time
My parents both had heart attacks
I had chicken pox when I was 10 years old
I had an appendectomy a year ago
90
While performing a 5-lead EKG, Lead II and III are not reading. Which limb should be checked?
Left leg
Left arm
Right arm
Right leg

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